DH's Gadgets Weekly edition lists the latest personal technology products to keep you abreast of everything happening in ...

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow.

Keyboards! They’ve been almost universally made out of plastic since the dawn of the microcomputer era. Meanwhile, wood is a rather desirable material and it lends itself rather well to ...

Today Apple released long-awaited USB-C updates for its trio of Mac accessories: the Magic Keyboard, Magic Trackpad, and Magic Mouse. The Apple Store currently only shows one, very pricey version ...

A laser level can fix that. You wouldn’t fire up the circular saw without using a tape measure and square first, and you shouldn’t eyeball what plumb and level are, either. Sure, you could hang plumb ...

"Red light uses specific wavelengths of light to penetrate the skin and reach your cells. Think of it as giving your cells a little extra boost, like a power-up for your body’s natural systems ...

The 'Before' star discusses her decades-long marriage to actor and author Robert Desiderio Sara Jaye Weiss/Shutterstock For Judith Light, the key to her thriving marriage is not caring about what ...

Laser projectors can be great replacements for ... cause you to lose sight of the action if they move in front of the light. Ultra-short-throw models can nip such shadowplay in the bud, like ...

Apple TV+ Using special effects to de-age actors is a risky proposition, but for Billy Crystal and Judith Light in their new series Before, the effort was worth it. The Apple TV+ supernatural ...

This form of remote sensing uses light in the form of a pulsed laser to measure ranges. The light is fired by a laser within the instrument and then it measures the time it takes for the reflected ...

Any advance in laser tech has huge potential across a whole range of fields – from space comms to fusion power – and we just got a big one: ultra-short laser pulses of up to 100 megawatts, the most ...

Even if you were aware of them, light pollution made them difficult to see, unless you went to a dark area and let your eyes adjust. Our own galaxy is invisible to nearly 80% of people in North ...